V-Lab
McDonald's Corp MEM Volatility Analysis
Volatility prediction for Friday, September 11th, 2026
1 Day
16.16%
decreased by 0.42%
1 Week
16.44%
decreased by 0.14%
1 Month
17.43%
increased by 0.85%
Analysis last updated: Thursday, September 10, 2026 at 09:58 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Sep 4, 2026Model Insight
Volatility shocks decay with a half-life of 56 trading days, meaning a shock loses half its impact after approximately 56 days.
μ
MEM Model
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Shock decay: Shocks decay with a 56-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0310 | 1.79* |
| αARCH | 0.1541 | 11.29*** |
| βGARCH | 0.8337 | 89.19*** |
0.988
Persistence56d
Half-lifeμ
MEM Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0310 | 1.79* |
α ARCH Response to squared shocks | 0.1541 | 11.29*** |
β GARCH Volatility persistence | 0.8337 | 89.19*** |
Persistence:
0.988
Half-life:
56 days
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